thread #1, queue = 'com.apple.main-thread'
    frame #0: 0x000000018e47416c libsystem_kernel.dylib`mach_msg_trap + 8
    frame #1: 0x000000018e473fdc libsystem_kernel.dylib`mach_msg + 72
    frame #2: 0x000000018f46fcec CoreFoundation`__CFRunLoopServiceMachPort + 192
    frame #3: 0x000000018f46d908 CoreFoundation`__CFRunLoopRun + 1132
    frame #4: 0x000000018f39c048 CoreFoundation`CFRunLoopRunSpecific + 444
    frame #5: 0x0000000190e22198 GraphicsServices`GSEventRunModal + 180
    frame #6: 0x00000001953882fc UIKit`-[UIApplication _run] + 684
    frame #7: 0x0000000195383034 UIKit`UIApplicationMain + 208
    frame #8: 0x0000000100030f18 ARDemo`main at AppDelegate.swift:15
    frame #9: 0x000000018e3805b8 libdyld.dylib`start + 4

  thread #6, name = 'com.apple.uikit.eventfetch-thread'
    frame #0: 0x000000018e47416c libsystem_kernel.dylib`mach_msg_trap + 8
    frame #1: 0x000000018e473fdc libsystem_kernel.dylib`mach_msg + 72
    frame #2: 0x000000018f46fcec CoreFoundation`__CFRunLoopServiceMachPort + 192
    frame #3: 0x000000018f46d908 CoreFoundation`__CFRunLoopRun + 1132
    frame #4: 0x000000018f39c048 CoreFoundation`CFRunLoopRunSpecific + 444
    frame #5: 0x000000018feada8c Foundation`-[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304
    frame #6: 0x000000018fece57c Foundation`-[NSRunLoop(NSRunLoop) runUntilDate:] + 96
    frame #7: 0x0000000195cfda2c UIKit`-[UIEventFetcher threadMain] + 136
    frame #8: 0x000000018ffab47c Foundation`__NSThread__start__ + 1024
    frame #9: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #10: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #11: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #8, name = 'AFNetworking'
    frame #0: 0x000000018e47416c libsystem_kernel.dylib`mach_msg_trap + 8
    frame #1: 0x000000018e473fdc libsystem_kernel.dylib`mach_msg + 72
    frame #2: 0x000000018f46fcec CoreFoundation`__CFRunLoopServiceMachPort + 192
    frame #3: 0x000000018f46d908 CoreFoundation`__CFRunLoopRun + 1132
    frame #4: 0x000000018f39c048 CoreFoundation`CFRunLoopRunSpecific + 444
    frame #5: 0x000000018feada8c Foundation`-[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304
    frame #6: 0x000000018ff02210 Foundation`-[NSRunLoop(NSRunLoop) run] + 88
    frame #7: 0x00000001001a1948 AFNetworking`+[AFURLConnectionOperation networkRequestThreadEntryPoint:](self=AFHTTPRequestOperation, _cmd="networkRequestThreadEntryPoint:", object=0x0000000000000000) at AFURLConnectionOperation.m:163
    frame #8: 0x000000018ffab47c Foundation`__NSThread__start__ + 1024
    frame #9: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #10: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #11: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #9, name = 'com.apple.NSURLConnectionLoader'
    frame #0: 0x000000018e47416c libsystem_kernel.dylib`mach_msg_trap + 8
    frame #1: 0x000000018e473fdc libsystem_kernel.dylib`mach_msg + 72
    frame #2: 0x000000018f46fcec CoreFoundation`__CFRunLoopServiceMachPort + 192
    frame #3: 0x000000018f46d908 CoreFoundation`__CFRunLoopRun + 1132
    frame #4: 0x000000018f39c048 CoreFoundation`CFRunLoopRunSpecific + 444
    frame #5: 0x000000018fb8dfd0 CFNetwork`+[NSURLConnection(Loader) _resourceLoadLoop:] + 336
    frame #6: 0x000000018ffab47c Foundation`__NSThread__start__ + 1024
    frame #7: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #8: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #9: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #15, name = 'com.apple.CoreMotion.MotionThread'
    frame #0: 0x000000018e47416c libsystem_kernel.dylib`mach_msg_trap + 8
    frame #1: 0x000000018e473fdc libsystem_kernel.dylib`mach_msg + 72
    frame #2: 0x000000018f46fcec CoreFoundation`__CFRunLoopServiceMachPort + 192
    frame #3: 0x000000018f46d908 CoreFoundation`__CFRunLoopRun + 1132
    frame #4: 0x000000018f39c048 CoreFoundation`CFRunLoopRunSpecific + 444
    frame #5: 0x000000018f3e98d4 CoreFoundation`CFRunLoopRun + 112
    frame #6: 0x00000001961f6738 CoreMotion`___lldb_unnamed_symbol2465$$CoreMotion + 824
    frame #7: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #8: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #9: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #30
    frame #0: 0x000000018e491e1c libsystem_kernel.dylib`__psynch_cvwait + 8
    frame #1: 0x000000018e5579c0 libsystem_pthread.dylib`_pthread_cond_wait + 640
    frame #2: 0x000000018de813ec libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 56
    frame #3: 0x0000000193c4e548 JavaScriptCore`void std::__1::condition_variable_any::wait<std::__1::unique_lock<bmalloc::Mutex> >(std::__1::unique_lock<bmalloc::Mutex>&) + 112
    frame #4: 0x0000000193c4e4bc JavaScriptCore`bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadRunLoop() + 168
    frame #5: 0x0000000193c4e39c JavaScriptCore`bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadEntryPoint(bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*) + 12
    frame #6: 0x0000000193c4e64c JavaScriptCore`void* std::__1::__thread_proxy<std::__1::tuple<void (*)(bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*), bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*> >(void*) + 92
    frame #7: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #8: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #9: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #31, name = 'WebThread'
    frame #0: 0x000000018e47416c libsystem_kernel.dylib`mach_msg_trap + 8
    frame #1: 0x000000018e473fdc libsystem_kernel.dylib`mach_msg + 72
    frame #2: 0x000000018f46fcec CoreFoundation`__CFRunLoopServiceMachPort + 192
    frame #3: 0x000000018f46d908 CoreFoundation`__CFRunLoopRun + 1132
    frame #4: 0x000000018f39c048 CoreFoundation`CFRunLoopRunSpecific + 444
    frame #5: 0x0000000193f4c45c WebCore`RunWebThread(void*) + 456
    frame #6: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #7: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #8: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #35, name = 'JIT Worklist Worker Thread'
    frame #0: 0x000000018e491e1c libsystem_kernel.dylib`__psynch_cvwait + 8
    frame #1: 0x000000018e5579c0 libsystem_pthread.dylib`_pthread_cond_wait + 640
    frame #2: 0x000000018de813ec libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 56
    frame #3: 0x0000000193c36e58 JavaScriptCore`WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda<bool ()> const&, WTF::ScopedLambda<void ()> const&, std::__1::chrono::time_point<std::__1::chrono::steady_clock, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > >) + 2016
    frame #4: 0x0000000193a0f6fc JavaScriptCore`JSC::JITWorklist::runThread() + 192
    frame #5: 0x0000000193a0fb4c JavaScriptCore`std::__1::__function::__func<JSC::JITWorklist::JITWorklist()::$_0, std::__1::allocator<JSC::JITWorklist::JITWorklist()::$_0>, void ()>::operator()() + 16
    frame #6: 0x0000000193380dac JavaScriptCore`WTF::threadEntryPoint(void*) + 212
    frame #7: 0x0000000193380cbc JavaScriptCore`WTF::wtfThreadEntryPoint(void*) + 24
    frame #8: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #9: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #10: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #36, name = 'WTF Parallel Helper Thread'
    frame #0: 0x000000018e491e1c libsystem_kernel.dylib`__psynch_cvwait + 8
    frame #1: 0x000000018e5579c0 libsystem_pthread.dylib`_pthread_cond_wait + 640
    frame #2: 0x000000018de813ec libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 56
    frame #3: 0x0000000193c36e58 JavaScriptCore`WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda<bool ()> const&, WTF::ScopedLambda<void ()> const&, std::__1::chrono::time_point<std::__1::chrono::steady_clock, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > >) + 2016
    frame #4: 0x0000000193c36450 JavaScriptCore`WTF::ParallelHelperPool::waitForClientWithTask(WTF::Locker<WTF::LockBase> const&) + 288
    frame #5: 0x0000000193c361f0 JavaScriptCore`WTF::ParallelHelperPool::helperThreadBody() + 76
    frame #6: 0x0000000193380dac JavaScriptCore`WTF::threadEntryPoint(void*) + 212
    frame #7: 0x0000000193380cbc JavaScriptCore`WTF::wtfThreadEntryPoint(void*) + 24
    frame #8: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #9: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #10: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #37, name = 'com.apple.CFNetwork.CustomProtocols'
    frame #0: 0x000000018e47416c libsystem_kernel.dylib`mach_msg_trap + 8
    frame #1: 0x000000018e473fdc libsystem_kernel.dylib`mach_msg + 72
    frame #2: 0x000000018f46fcec CoreFoundation`__CFRunLoopServiceMachPort + 192
    frame #3: 0x000000018f46d908 CoreFoundation`__CFRunLoopRun + 1132
    frame #4: 0x000000018f39c048 CoreFoundation`CFRunLoopRunSpecific + 444
    frame #5: 0x000000018fcdf35c CFNetwork`_privateRunloopEmulationSet(void*) + 264
    frame #6: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #7: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #8: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

* thread #42, queue = 'com.wikitude.sdk.render_queue', stop reason = EXC_BAD_ACCESS (code=1, address=0x40ffffffff0000b2)
  * frame #0: 0x0000000191ae5fe4 CoreVideo`CVBufferBacking::retainUsage() + 28
    frame #1: 0x0000000191ae6510 CoreVideo`CVOpenGLESTexture::initWithTextureBacking(CVOpenGLESTextureBacking*) + 84
    frame #2: 0x0000000191aeef00 CoreVideo`CVOpenGLESTextureCache::createTextureFromImageWithParams(__CFAllocator const*, CVImageBuffer*, unsigned int, int, int, int, unsigned int, unsigned int, unsigned long, int*) + 316
    frame #3: 0x0000000191aefa88 CoreVideo`CVOpenGLESTextureCacheCreateTextureFromImage + 212
    frame #4: 0x00000001002749b8 ARExperience`-[WTVideoDrawable presentNextPixelBuffer:] + 204
    frame #5: 0x0000000100273bc8 ARExperience`-[WTVideoDrawable updateNextVideoFrameAtTime:presentationDuration:] + 348
    frame #6: 0x000000010029f000 ARExperience`__94-[WTVideoDrawableManager updateVideoDrawablesForNextFrameAtTime:expectedPresentationDuration:]_block_invoke + 180
    frame #7: 0x000000010029f15c ARExperience`-[WTVideoDrawableManager enumerateVideoDrawablesUsingBlock:] + 232
    frame #8: 0x000000010029ef1c ARExperience`-[WTVideoDrawableManager updateVideoDrawablesForNextFrameAtTime:expectedPresentationDuration:] + 100
    frame #9: 0x00000001002701e8 ARExperience`-[WTARchitectManager renderService:willRenderNewFrameAtTime:withDuration:] + 92
    frame #10: 0x000000010026913c ARExperience`-[WTRenderPlatformService renderer:willRenderNewFrameAtTime:withDuration:] + 76
    frame #11: 0x00000001006c472c ARExperience`-[WTRenderer driver:willRenderNewFrameAtTime:withDuration:] + 76
    frame #12: 0x00000001006bd7cc ARExperience`__34-[WTGCDDriver triggerRenderFrame:]_block_invoke + 204
    frame #13: 0x0000000101d8525c libdispatch.dylib`_dispatch_call_block_and_release + 24
    frame #14: 0x0000000101d8521c libdispatch.dylib`_dispatch_client_callout + 16
    frame #15: 0x0000000101d9280c libdispatch.dylib`_dispatch_queue_serial_drain + 296
    frame #16: 0x0000000101d88ce4 libdispatch.dylib`_dispatch_queue_invoke + 672
    frame #17: 0x0000000101d94e6c libdispatch.dylib`_dispatch_root_queue_drain + 584
    frame #18: 0x0000000101d94bb8 libdispatch.dylib`_dispatch_worker_thread3 + 140
    frame #19: 0x000000018e5562b8 libsystem_pthread.dylib`_pthread_wqthread + 1288
    frame #20: 0x000000018e555da4 libsystem_pthread.dylib`start_wqthread + 4

  thread #43
    frame #0: 0x000000018e492a88 libsystem_kernel.dylib`__workq_kernreturn + 8
    frame #1: 0x000000018e55635c libsystem_pthread.dylib`_pthread_wqthread + 1452
    frame #2: 0x000000018e555da4 libsystem_pthread.dylib`start_wqthread + 4

  thread #44
    frame #0: 0x000000018e555da0 libsystem_pthread.dylib`start_wqthread

  thread #45
    frame #0: 0x000000018e555da0 libsystem_pthread.dylib`start_wqthread

  thread #46
    frame #0: 0x000000018e555da0 libsystem_pthread.dylib`start_wqthread

  thread #47
    frame #0: 0x000000018e492a88 libsystem_kernel.dylib`__workq_kernreturn + 8
    frame #1: 0x000000018e55635c libsystem_pthread.dylib`_pthread_wqthread + 1452
    frame #2: 0x000000018e555da4 libsystem_pthread.dylib`start_wqthread + 4

  thread #48
    frame #0: 0x000000018e555da0 libsystem_pthread.dylib`start_wqthread

  thread #49
    frame #0: 0x000000018e491e1c libsystem_kernel.dylib`__psynch_cvwait + 8
    frame #1: 0x000000018e5579c0 libsystem_pthread.dylib`_pthread_cond_wait + 640
    frame #2: 0x000000018de813ec libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 56
    frame #3: 0x00000001003eaac8 ARExperience`wikitude::common_library::impl::NetworkManager::handleIncomingSignals() + 84
    frame #4: 0x00000001003eb624 ARExperience`void* std::__1::__thread_proxy<std::__1::tuple<void (wikitude::common_library::impl::NetworkManager::*)(), wikitude::common_library::impl::NetworkManager*> >(void*) + 84
    frame #5: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #6: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #7: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #50
    frame #0: 0x000000018e491e1c libsystem_kernel.dylib`__psynch_cvwait + 8
    frame #1: 0x000000018e5579c0 libsystem_pthread.dylib`_pthread_cond_wait + 640
    frame #2: 0x00000001003fb68c ARExperience`wikitude::sdk_foundation::impl::ResourceManagerImpl::nextRequest() + 76
    frame #3: 0x000000010041ada4 ARExperience`wikitude::sdk_foundation::impl::ResourceLoader::internalThreadEntry() + 128
    frame #4: 0x00000001004070a8 ARExperience`wikitude::sdk_foundation::impl::Thread::InternalThreadEntryFunc(void*) + 20
    frame #5: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #6: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #7: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #51
    frame #0: 0x000000018e491e1c libsystem_kernel.dylib`__psynch_cvwait + 8
    frame #1: 0x000000018e5579c0 libsystem_pthread.dylib`_pthread_cond_wait + 640
    frame #2: 0x000000010040d310 ARExperience`wikitude::sdk_foundation::impl::ImageLoadingQueue::nextImage() + 76
    frame #3: 0x00000001003fd8c8 ARExperience`wikitude::sdk_foundation::impl::ImageLoader::internalThreadEntry() + 148
    frame #4: 0x00000001004070a8 ARExperience`wikitude::sdk_foundation::impl::Thread::InternalThreadEntryFunc(void*) + 20
    frame #5: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #6: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #7: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #52
    frame #0: 0x000000018e491e1c libsystem_kernel.dylib`__psynch_cvwait + 8
    frame #1: 0x000000018e5579c0 libsystem_pthread.dylib`_pthread_cond_wait + 640
    frame #2: 0x000000010040d310 ARExperience`wikitude::sdk_foundation::impl::ImageLoadingQueue::nextImage() + 76
    frame #3: 0x00000001003fd8c8 ARExperience`wikitude::sdk_foundation::impl::ImageLoader::internalThreadEntry() + 148
    frame #4: 0x00000001004070a8 ARExperience`wikitude::sdk_foundation::impl::Thread::InternalThreadEntryFunc(void*) + 20
    frame #5: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #6: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #7: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #53
    frame #0: 0x000000018e491e1c libsystem_kernel.dylib`__psynch_cvwait + 8
    frame #1: 0x000000018e5579c0 libsystem_pthread.dylib`_pthread_cond_wait + 640
    frame #2: 0x000000010040d310 ARExperience`wikitude::sdk_foundation::impl::ImageLoadingQueue::nextImage() + 76
    frame #3: 0x00000001003fd8c8 ARExperience`wikitude::sdk_foundation::impl::ImageLoader::internalThreadEntry() + 148
    frame #4: 0x00000001004070a8 ARExperience`wikitude::sdk_foundation::impl::Thread::InternalThreadEntryFunc(void*) + 20
    frame #5: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #6: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #7: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #54
    frame #0: 0x000000018e491e1c libsystem_kernel.dylib`__psynch_cvwait + 8
    frame #1: 0x000000018e5579c0 libsystem_pthread.dylib`_pthread_cond_wait + 640
    frame #2: 0x000000010040d310 ARExperience`wikitude::sdk_foundation::impl::ImageLoadingQueue::nextImage() + 76
    frame #3: 0x00000001003fd8c8 ARExperience`wikitude::sdk_foundation::impl::ImageLoader::internalThreadEntry() + 148
    frame #4: 0x00000001004070a8 ARExperience`wikitude::sdk_foundation::impl::Thread::InternalThreadEntryFunc(void*) + 20
    frame #5: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #6: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #7: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #55
    frame #0: 0x000000018e491e1c libsystem_kernel.dylib`__psynch_cvwait + 8
    frame #1: 0x000000018e5579c0 libsystem_pthread.dylib`_pthread_cond_wait + 640
    frame #2: 0x000000010040d310 ARExperience`wikitude::sdk_foundation::impl::ImageLoadingQueue::nextImage() + 76
    frame #3: 0x00000001003fd8c8 ARExperience`wikitude::sdk_foundation::impl::ImageLoader::internalThreadEntry() + 148
    frame #4: 0x00000001004070a8 ARExperience`wikitude::sdk_foundation::impl::Thread::InternalThreadEntryFunc(void*) + 20
    frame #5: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #6: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #7: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #56
    frame #0: 0x000000018e47416c libsystem_kernel.dylib`mach_msg_trap + 8
    frame #1: 0x000000018e473fdc libsystem_kernel.dylib`mach_msg + 72
    frame #2: 0x000000018f46fcec CoreFoundation`__CFRunLoopServiceMachPort + 192
    frame #3: 0x000000018f46d908 CoreFoundation`__CFRunLoopRun + 1132
    frame #4: 0x000000018f39c048 CoreFoundation`CFRunLoopRunSpecific + 444
    frame #5: 0x000000018f3e98d4 CoreFoundation`CFRunLoopRun + 112
    frame #6: 0x00000001006bd358 ARExperience`-[WTGCDDriver renderThreadMainLoop] + 472
    frame #7: 0x000000018ffab47c Foundation`__NSThread__start__ + 1024
    frame #8: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #9: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #10: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #57
    frame #0: 0x000000018e491e1c libsystem_kernel.dylib`__psynch_cvwait + 8
    frame #1: 0x000000018e5579c0 libsystem_pthread.dylib`_pthread_cond_wait + 640
    frame #2: 0x000000018de813ec libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 56
    frame #3: 0x00000001004ccd4c ARExperience`aramis::BlockingPriorityQueue<aramis::MapExpander::Task>::take() + 68
    frame #4: 0x00000001004ccae4 ARExperience`aramis::MapExpander::fetchCommand() + 36
    frame #5: 0x00000001004ccaac ARExperience`aramis::MapExpander::internalThreadEntry() + 28
    frame #6: 0x00000001004c0088 ARExperience`void* std::__1::__thread_proxy<std::__1::tuple<aramis::ThreadedClass::startInternalThread()::'lambda'()> >(void*) + 88
    frame #7: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #8: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #9: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #58
    frame #0: 0x000000018e4741c0 libsystem_kernel.dylib`semaphore_timedwait_trap + 8
    frame #1: 0x0000000101d9784c libdispatch.dylib`_dispatch_semaphore_wait_slow + 112
    frame #2: 0x0000000101d967b0 libdispatch.dylib`_dispatch_worker_thread + 272
    frame #3: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #4: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #5: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4

  thread #59
    frame #0: 0x000000018e491e1c libsystem_kernel.dylib`__psynch_cvwait + 8
    frame #1: 0x000000018e5579c0 libsystem_pthread.dylib`_pthread_cond_wait + 640
    frame #2: 0x000000018de813ec libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 56
    frame #3: 0x00000001004ccd4c ARExperience`aramis::BlockingPriorityQueue<aramis::MapExpander::Task>::take() + 68
    frame #4: 0x00000001004ccae4 ARExperience`aramis::MapExpander::fetchCommand() + 36
    frame #5: 0x00000001004ccaac ARExperience`aramis::MapExpander::internalThreadEntry() + 28
    frame #6: 0x00000001004c0088 ARExperience`void* std::__1::__thread_proxy<std::__1::tuple<aramis::ThreadedClass::startInternalThread()::'lambda'()> >(void*) + 88
    frame #7: 0x000000018e558850 libsystem_pthread.dylib`_pthread_body + 240
    frame #8: 0x000000018e558760 libsystem_pthread.dylib`_pthread_start + 284
    frame #9: 0x000000018e555dac libsystem_pthread.dylib`thread_start + 4